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Vladimir [108]
3 years ago
15

Suppose you are adding 43 and 28. will you regroup??? and Explain

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0
Yes because 8+3=11 so you regroup the 1and put it on top of the 4. now you add 4+2+1 which equals 7 so the answer is 71
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Real World Example Functions.
umka2103 [35]

Answer:

Smart phone sales since 1990:- linear function

Half life of a pesticide :- exponential function

Step-by-step explanation:

Linear function can be applicable in almost any situation where there is an unknown quantity can be represented by a linear equation, like figuring out income over time, calculating mileage rates, or predicting profit, therefore smart phone sales since 1990 can be model with linear function

Exponential functions can be applicable in social, scientific, or personal finance situations such as population growth, radioactive decay and half life, therefore half life of pesticide can be model with exponential function.

6 0
3 years ago
Write an equation for a circle with a diameter that has endpoints at (-10, 1) and (-8, 5). Round to the nearest tenth if necessa
kherson [118]

Answer:

The equation is (x+9)^2 + (y-3)^2 = 5

Step-by-step explanation:

The standard form for the equation of a circle is:

(x−h)^2+(y−k)^2=r2

The center of the circle is the midpoint of the diameter.

So the midpoint of the diameter at  (-10, 1) and (-8, 5) can be determined as:

(-10 +(-8))/2 , (1+5)/2

= -10-8/2, 1+5/2

= -18/2 , 6/2

= -9 , 3

Thus(-9,3) is the center of the circle.

Now we will use the distance formula to find the radius of the circle.

r^2=(-10-(-9))^2 + (1-3)^2

r^2=(-10+9)^2 +(-2)^2

r^2=(-1)^2 + (-2)^2

r^2=1 + 4

r^2= 5

Take square root at both sides.

√r^2= √5

r=√5

Now put the values in the 1st equation.

(x−h)^2+(y−k)^2=r2

where h = -9, k =3 and r = √5

(x-(-9))^2 + (y-3)^2= (√5)^2

(x+9)^2 + (y-3)^2 = 5

Thus the equation is (x+9)^2 + (y-3)^2 = 5 ....

4 0
3 years ago
a high school baseball team won 40%of it's first 15 games beginning with 16th game how many games in a row dies the team now hav
Colt1911 [192]
11% would make it work I guess
7 0
3 years ago
-8= t/27 t=??????????
Andreyy89

Answer:

t = -216

Step-by-step explanation:

-8 = t/27

Multiply both sides by 27

-216 = t

5 0
3 years ago
6. The right triangles ABC and DEF
olga_2 [115]

Answer:

B. 18 cm

Step-by-step explanation:

24 / 12 = 2.

9 x 2 = 18 cm.

Hope this helps!

4 0
3 years ago
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